Undergirding
v. 在底部加固( undergird的现在分词 ); 从底层支撑; 加强; 支持
🗣️ 情景例句
Without that, it's hard.
没有就难办了。
'Tis a good horse that never stumbles.
好马不失蹄。
It was getting very windy in the hills.
山上还刮起了大风。